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Heavy Equipment Operator Certification Exam Prep · Question

When can a lockout device be removed from equipment after maintenance?

A lockout device must only be removed by the authorized person who applied it, and only after ensuring the work area is clear, tools are removed, and all person

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Question: When can a lockout device be removed from equipment after maintenance?

Answer options: ✅ Only by the authorized person who applied it, after ensuring the work area is clear and all safety measures are met.

  • By any worker once the maintenance task appears to be completed.
  • By a supervisor, if the worker who applied it is unavailable.
  • After a designated period, regardless of whether the work is finished.

Correct answer: Only by the authorized person who applied it, after ensuring the work area is clear and all safety measures are met.

Explanation: A lockout device must only be removed by the authorized person who applied it, and only after ensuring the work area is clear, tools are removed, and all personnel are safely positioned away from the equipment, reinforcing personal responsibility as per CSA Z460-18.

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